ICD-11 MMS

02 Neoplasms

Malignant neoplasms, except primary neoplasms of lymphoid, haematopoietic, central nervous system or related tissues  (2B50-2E2Z)

Malignant neoplasms, stated or presumed to be primary, of specified sites, except of lymphoid, haematopoietic, central nervous system or related tissues  (2B50-2D3Z)

Malignant neoplasms of digestive organs  (2B70-2C1Z)

Malignant neoplasms of intestine  (2B80-2C0Z)

2B81 Malignant neoplasms of appendix

2B81.2 Neuroendocrine neoplasms of appendix

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01


Malignant neoplasms with neuroendocrine differentiation that arise in the appendix. Most are well differentiated neuroendocrine tumours (low and intermediate grade), i.e. carcinoids. Poorly differentiated neuroendocrine carcinomas (high grade) are exceedingly rare.

postcoordination

Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.

Histopathology  - only one may be selected
Has manifestation  - multiple selections are allowed
Has severity  - only one may be selected
Has alternative severity2  - only one may be selected

synonyms

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